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public class Jb08_IfTest
{
public static void main ( String [ ] args )
{
// 需求：用户输入具体数值，判断出对应的星期
int week = 3 ;
if ( week = = 1 )
{
System . out . println ( week + "是星期一" ) ;
}
else if ( week = = 2 )
{
System . out . println ( week + "是星期二" ) ;
}
else if ( week = = 3 )
{
System . out . println ( week + "是星期三" ) ;
} else
{
System . out . println ( "输入错误， ) ;
}
// 需求：根据用户输入数值，输出对应的季度。
int month = 3 ;
if ( month < 1 | | month > 12 )
{
System . out . println ( "没有此季节" ) ;
}
else if ( month > = 3 & & month < = 5 )
{
System . out . println ( month + "月是春季" ) ;
}
else if ( month > = 6 & & month < = 8 )
{
System . out . println ( month + "月是夏季" ) ;
}
else
{
System . out . println ( month + "月是冬季" ) ;
}
}
}
